SS-20® and SS-15® BigBore™ II-H Subsea Wellhead System

System Features:

• All 18-3/4" BigBore II-H components certified to API 17D 2nd Edition and 6A specifications
• SS-20 Wellhead housing designed for 20,000 psi and 8.8 million lbs of end-load carrying capacity, a nominal 30" O.D. and a 350°F temperature rating
• SS-15 Wellhead housing designed for 15,000 psi and 8.8 million lbs of end-load carrying capacity, a nominal 27" O.D. and a 300°F temperature rating
• High-tensile, high-bending, high-load and high-pressure capacity
• Incorporates ROV-assisted annulus shut-off monitoring system
• Utilizes two 22" adapters for landing 18" and 16" supplemental casing hanger systems
• Wellhead can pass 18" and 16" casing, casing hangers and testable/retrievable/replaceable seal assemblies inside standard 21" O.D. riser and 18-3/4" BOP stack
• All casing hangers and seal assemblies are run, set and tested on drill pipe in a single trip
• Two million lbs preloaded rigid lockdown wellhead system
• Utilizes Dril-Quip’s reliable high-temperature, weight-set metal-to-metal seal assembly
• Large cement return flow-by areas on all casing hanger systems
• Bit-runnable wear sleeves and wear bushings available
• Alternative casing programs available